An example of a method for operating a user equipment (UE) including a first subscriber identity module (SIM) and a second SIM includes determining that a quality of first positioning assistance data associated with the first SIM is greater than a quality of second positioning assistance data associated with the second SIM; and performing an action using the first SIM in response to determining that the quality of first positioning assistance data associated with the first SIM is greater than the quality of second positioning assistance data associated with the second SIM.